Question

Name the following
1 An application of the reflected sound.
2. Speed of sound
3. Oscillations made
by
aware in a unit time.
4 Medium through which sound
which sound cannot travel​

Answer 1

Answer:

1.) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR.

2.) speed of sound in air 20 °C = 343 m/s

3.) I'm not getting this question...

4.) Sound cannot travel through vacuum or empty space because vacuum has no molecules which can vibrate and carry sound waves.

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